gimp/app/display/gimpdisplayshell.h

276 lines
13 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __GIMP_DISPLAY_SHELL_H__
#define __GIMP_DISPLAY_SHELL_H__
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets/gimpwindow.h"
/* Apply to a float the same rounding mode used in the renderer */
#define PROJ_ROUND(coord) ((gint) RINT (coord))
#define PROJ_ROUND64(coord) ((gint64) RINT (coord))
/* finding the effective screen resolution (double) */
#define SCREEN_XRES(s) ((s)->dot_for_dot ? \
(s)->display->image->xresolution : (s)->monitor_xres)
#define SCREEN_YRES(s) ((s)->dot_for_dot ? \
(s)->display->image->yresolution : (s)->monitor_yres)
/* scale values */
#define SCALEX(s,x) PROJ_ROUND ((x) * (s)->scale_x)
#define SCALEY(s,y) PROJ_ROUND ((y) * (s)->scale_y)
/* unscale values */
#define UNSCALEX(s,x) ((gint) ((x) / (s)->scale_x))
#define UNSCALEY(s,y) ((gint) ((y) / (s)->scale_y))
/* (and float-returning versions) */
#define FUNSCALEX(s,x) ((x) / (s)->scale_x)
#define FUNSCALEY(s,y) ((y) / (s)->scale_y)
/* the size of the display render buffer */
#define GIMP_DISPLAY_RENDER_BUF_WIDTH 256
#define GIMP_DISPLAY_RENDER_BUF_HEIGHT 256
#define GIMP_TYPE_DISPLAY_SHELL (gimp_display_shell_get_type ())
#define GIMP_DISPLAY_SHELL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_DISPLAY_SHELL, GimpDisplayShell))
#define GIMP_DISPLAY_SHELL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_DISPLAY_SHELL, GimpDisplayShellClass))
#define GIMP_IS_DISPLAY_SHELL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_DISPLAY_SHELL))
#define GIMP_IS_DISPLAY_SHELL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_DISPLAY_SHELL))
#define GIMP_DISPLAY_SHELL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_DISPLAY_SHELL, GimpDisplayShellClass))
typedef struct _GimpDisplayShellClass GimpDisplayShellClass;
struct _GimpDisplayShell
{
GimpWindow parent_instance;
GimpDisplay *display;
GimpUIManager *menubar_manager;
GimpUIManager *popup_manager;
GimpDialogFactory *display_factory;
gdouble monitor_xres;
gdouble monitor_yres;
GimpUnit unit;
GimpZoomModel *zoom;
gdouble other_scale; /* scale factor entered in Zoom->Other*/
gboolean dot_for_dot; /* ignore monitor resolution */
gint offset_x; /* offset of display image */
gint offset_y;
gdouble scale_x; /* horizontal scale factor */
gdouble scale_y; /* vertical scale factor */
gint x_src_dec; /* increments for the bresenham style */
gint y_src_dec; /* image --> display transformation */
gint x_dest_inc;
gint y_dest_inc;
gdouble last_scale; /* scale used when reverting zoom */
guint last_scale_time; /* time when last_scale was set */
gint last_offset_x; /* offsets used when reverting zoom */
gint last_offset_y;
gint disp_width; /* width of drawing area */
gint disp_height; /* height of drawing area */
gint disp_xoffset;
gint disp_yoffset;
gboolean proximity; /* is a device in proximity */
gboolean snap_to_guides; /* should the guides be snapped to? */
gboolean snap_to_grid; /* should the grid be snapped to? */
gboolean snap_to_canvas; /* should the canvas be snapped to? */
gboolean snap_to_vectors; /* should the active path be snapped */
Selection *selection; /* Selection (marching ants) */
GtkWidget *canvas; /* GimpCanvas widget */
GdkGC *grid_gc; /* GC for grid drawing */
GdkGC *pen_gc; /* GC for felt pen drawing */
GtkAdjustment *hsbdata; /* adjustments */
GtkAdjustment *vsbdata;
GtkWidget *hsb; /* scroll bars */
GtkWidget *vsb;
GtkWidget *hrule; /* rulers */
GtkWidget *vrule;
GtkWidget *origin; /* NW: origin */
GtkWidget *quick_mask_button;/* SW: quick mask button */
GtkWidget *zoom_button; /* NE: zoom toggle button */
GtkWidget *nav_ebox; /* SE: navigation event box */
GtkWidget *menubar; /* menubar */
GtkWidget *statusbar; /* statusbar */
guchar *render_buf; /* buffer for rendering the image */
guint title_idle_id; /* title update idle ID */
gint icon_size; /* size of the icon pixmap */
guint icon_idle_id; /* ID of the idle-function */
guint fill_idle_id; /* display_shell_fill() idle ID */
GimpCursorFormat cursor_format; /* Currently used cursor format */
GimpCursorType current_cursor; /* Currently installed main cursor */
GimpToolCursorType tool_cursor; /* Current Tool cursor */
GimpCursorModifier cursor_modifier; /* Cursor modifier (plus, minus, ...) */
GimpCursorType override_cursor; /* Overriding cursor */
gboolean using_override_cursor;
gboolean draw_cursor; /* should we draw software cursor ? */
gboolean have_cursor; /* is cursor currently drawn ? */
gint cursor_x; /* software cursor X value */
gint cursor_y; /* software cursor Y value */
GtkWidget *close_dialog; /* close dialog */
GtkWidget *scale_dialog; /* scale (zoom) dialog */
GtkWidget *nav_popup; /* navigation popup */
GtkWidget *grid_dialog; /* grid configuration dialog */
GimpColorDisplayStack *filter_stack; /* color display conversion stuff */
guint filter_idle_id;
GtkWidget *filters_dialog; /* color display filter dialog */
gint paused_count;
GQuark vectors_freeze_handler;
GQuark vectors_thaw_handler;
GQuark vectors_visible_handler;
GdkWindowState window_state; /* for fullscreen display */
gboolean zoom_on_resize;
gboolean show_transform_preview;
GimpDisplayOptions *options;
GimpDisplayOptions *fullscreen_options;
GimpDisplayOptions *no_image_options;
/* the state of gimp_display_shell_tool_events() */
gboolean space_pressed;
gboolean space_release_pending;
const gchar *space_shaded_tool;
gboolean scrolling;
gint scroll_start_x;
gint scroll_start_y;
gboolean button_press_before_focus;
guint32 last_disp_motion_time; /* previous time of a forwarded motion event */
guint32 last_read_motion_time;
GdkRectangle *highlight; /* in image coordinates, can be NULL */
GimpDrawable *mask;
GimpChannelType mask_color;
gpointer scroll_info;
GimpCoords last_coords; /* last motion event */
};
struct _GimpDisplayShellClass
{
GimpWindowClass parent_class;
void (* scaled) (GimpDisplayShell *shell);
void (* scrolled) (GimpDisplayShell *shell);
void (* reconnect) (GimpDisplayShell *shell);
};
GType gimp_display_shell_get_type (void) G_GNUC_CONST;
GtkWidget * gimp_display_shell_new (GimpDisplay *display,
GimpUnit unit,
gdouble scale,
GimpMenuFactory *menu_factory,
GimpUIManager *popup_manager,
GimpDialogFactory *display_factory);
void gimp_display_shell_reconnect (GimpDisplayShell *shell);
void gimp_display_shell_empty (GimpDisplayShell *shell);
void gimp_display_shell_fill (GimpDisplayShell *shell,
GimpImage *image,
GimpUnit unit,
gdouble scale);
void gimp_display_shell_scale_changed (GimpDisplayShell *shell);
void gimp_display_shell_scaled (GimpDisplayShell *shell);
void gimp_display_shell_scrolled (GimpDisplayShell *shell);
void gimp_display_shell_set_unit (GimpDisplayShell *shell,
GimpUnit unit);
GimpUnit gimp_display_shell_get_unit (GimpDisplayShell *shell);
gboolean gimp_display_shell_snap_coords (GimpDisplayShell *shell,
GimpCoords *coords,
gint snap_offset_x,
gint snap_offset_y,
gint snap_width,
gint snap_height);
gboolean gimp_display_shell_mask_bounds (GimpDisplayShell *shell,
gint *x1,
gint *y1,
gint *x2,
gint *y2);
void gimp_display_shell_expose_area (GimpDisplayShell *shell,
gint x,
gint y,
gint w,
gint h);
void gimp_display_shell_expose_guide (GimpDisplayShell *shell,
GimpGuide *guide);
void gimp_display_shell_expose_sample_point (GimpDisplayShell *shell,
GimpSamplePoint *sample_point);
void gimp_display_shell_expose_full (GimpDisplayShell *shell);
void gimp_display_shell_flush (GimpDisplayShell *shell,
gboolean now);
void gimp_display_shell_pause (GimpDisplayShell *shell);
void gimp_display_shell_resume (GimpDisplayShell *shell);
void gimp_display_shell_update_icon (GimpDisplayShell *shell);
void gimp_display_shell_shrink_wrap (GimpDisplayShell *shell,
gboolean grow_only);
void gimp_display_shell_set_highlight (GimpDisplayShell *shell,
const GdkRectangle *highlight);
void gimp_display_shell_set_mask (GimpDisplayShell *shell,
GimpDrawable *mask,
GimpChannelType color);
#endif /* __GIMP_DISPLAY_SHELL_H__ */